/******************************************************************************
 * SAGE - Scalable Adaptive Graphics Environment
 *
 * Module: streamProtocol.cpp 
 * Author : Byungil Jeong
 *
 * Copyright (C) 2004 Electronic Visualization Laboratory,
 * University of Illinois at Chicago
 *
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above
 *    copyright notice, this list of conditions and the following disclaimer
 *    in the documentation and/or other materials provided with the distribution.
 *  * Neither the name of the University of Illinois at Chicago nor
 *    the names of its contributors may be used to endorse or promote
 *    products derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * Direct questions, comments etc about SAGE to bijeong@evl.uic.edu or 
 * http://www.evl.uic.edu/cavern/forum/
 *
 *****************************************************************************/

#include "streamProtocol.h"
#include "sageBlock.h"

int streamProtocol::init(sageStreamMode m, int p, sageNwConfig &c) 
{
   sMode = m;
   rcvPort = p;
   config = c;
   rcvList.clear();
   sendList.clear();

   return 0;
}

int streamProtocol::close(int id, int mode)
{
   if (mode == -1)
      mode = sMode;
      
   if (mode == SAGE_RCV || mode == SAGE_ARCV) {
      if (sendList[id] >= 0) {
      #ifdef WIN32   
         closesocket(sendList[id]);
      #else
         shutdown(sendList[id], SHUT_RDWR);
      #endif
      }
   }
   
   if (mode == SAGE_SEND) {
      if (rcvList[id] >= 0) {
      #ifdef WIN32   
         closesocket(rcvList[id]);
      #else
         shutdown(rcvList[id], SHUT_RDWR);
      #endif
      }
   }
   
   return 0;
}



